CN1269892A - 背投显示器 - Google Patents

背投显示器 Download PDF

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Publication number
CN1269892A
CN1269892A CN98808888A CN98808888A CN1269892A CN 1269892 A CN1269892 A CN 1269892A CN 98808888 A CN98808888 A CN 98808888A CN 98808888 A CN98808888 A CN 98808888A CN 1269892 A CN1269892 A CN 1269892A
Authority
CN
China
Prior art keywords
polarization
light
beam splitter
rear projection
polarization state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN98808888A
Other languages
English (en)
Chinese (zh)
Inventor
G·T·博伊德
W·D·米勒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of CN1269892A publication Critical patent/CN1269892A/zh
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/28—Reflectors in projection beam
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CN98808888A 1997-09-09 1998-08-19 背投显示器 Pending CN1269892A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US92585597A 1997-09-09 1997-09-09
US08/925,855 1997-09-09

Publications (1)

Publication Number Publication Date
CN1269892A true CN1269892A (zh) 2000-10-11

Family

ID=25452349

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98808888A Pending CN1269892A (zh) 1997-09-09 1998-08-19 背投显示器

Country Status (8)

Country Link
EP (1) EP1012665B1 (fr)
JP (1) JP2001516072A (fr)
KR (1) KR100524563B1 (fr)
CN (1) CN1269892A (fr)
AU (1) AU732178B2 (fr)
CA (1) CA2301191C (fr)
DE (1) DE69812656D1 (fr)
WO (1) WO1999013378A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11474349B2 (en) * 2016-09-22 2022-10-18 Denso Corporation Head-up display device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60038655T2 (de) 1999-07-01 2009-06-04 Sanyo Electric Co., Ltd., Moriguchi Rückprojektionsvorrichtung
US6535333B1 (en) 2000-11-21 2003-03-18 3M Innovative Properties Company Optical system with reduced color shift
US6870670B2 (en) 2001-04-06 2005-03-22 3M Innovative Properties Company Screens and methods for displaying information
FR2855273A1 (fr) 2003-05-20 2004-11-26 Thomson Licensing Sa Lentille de fresnel a eclairer sous incidence elevee
US7198372B2 (en) * 2003-12-31 2007-04-03 3M Innovative Properties Company Dual display
NL1030161C2 (nl) 2005-10-11 2007-04-12 Matthijs Dirk Meulenbelt Presentatie-inrichting.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03243932A (ja) * 1990-02-22 1991-10-30 Canon Inc 背面投写型受像機
WO1993015585A1 (fr) * 1992-01-31 1993-08-05 Bell Communications Research, Inc. Systeme d'affichage video a projection frontale et a image contrastee
BE1007864A3 (nl) * 1993-12-10 1995-11-07 Philips Electronics Nv Beeldprojectiesysteem.
US6181386B1 (en) * 1995-12-29 2001-01-30 Duke University Projecting images

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11474349B2 (en) * 2016-09-22 2022-10-18 Denso Corporation Head-up display device

Also Published As

Publication number Publication date
KR100524563B1 (ko) 2005-10-31
AU732178B2 (en) 2001-04-12
WO1999013378A1 (fr) 1999-03-18
EP1012665A1 (fr) 2000-06-28
KR20010023775A (ko) 2001-03-26
EP1012665B1 (fr) 2003-03-26
CA2301191A1 (fr) 1999-03-18
JP2001516072A (ja) 2001-09-25
DE69812656D1 (de) 2003-04-30
CA2301191C (fr) 2003-01-14
AU9024998A (en) 1999-03-29

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication